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GPT-5.6 Terra

openai/gpt-5.6-terra

OpenAI / GPT

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Balanced GPT-5.6 model for capable, cost-efficient everyday work

Released
2026-07-09
Context window
1.1M
Max output
128K
Weights
Closed
Modalities
TextInputImageInputDocumentInputTextOutput
Capabilities
AttachmentsReasoningTool callStructured
Providers
AbacusAI-ROUTERAIHubMixAzureAzure Cognitive ServicesCloudflare AI GatewayCrossModelGitHub CopilotKenariKilo GatewayLLM GatewayMerge GatewayNanoGPTOfoxOpenAIOpenCode ZenOpenRouterrouting.runVercel AI GatewayVivgridXpersonaZenMux

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